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City of BrimbankCommunity profile

City of Brimbank

Five year age groups

In 2021, the largest age group in the City of Brimbank was 25 to 29 year olds. The group that changed the most since 2001 was 60 to 64 year olds, increasing by 5,199 people.

The Age Structure of the City of Brimbank provides key insights into the level of demand for age based services and facilities such as child care. It is also an indicator of the City of Brimbank's residential role and function and how it is likely to change in the future.

Five year age groups present a classic age profile of the population. Each age group covers exactly five years, which enables direct comparison between each group.

To get a more complete picture the City of Brimbank's Age Structure should be viewed in conjunction with Household Types and Dwelling Types.

Q:

Derived from the Census question:

'What is the person's date of birth or age?'

Age structure - Five year age groups
City of Brimbank - Total persons (Enumerated)20212001Change
Five year age groups (years)Number%Greater Melbourne %Number%Greater Melbourne %2001 to 2021
0 to 410,9975.75.911,4117.06.4-414
5 to 911,7246.06.312,3937.66.8-669
10 to 1411,0465.76.012,0527.46.7-1,006
15 to 1911,1125.75.612,5817.76.9-1,469
20 to 2413,3426.96.712,5527.77.3+790
25 to 2915,6648.17.812,5977.77.7+3,067
30 to 3414,7967.68.312,8457.98.2+1,951
35 to 3914,0247.28.112,5017.77.9+1,523
40 to 4412,3876.46.912,4417.67.7-54
45 to 4912,2616.36.511,9117.37.0+350
50 to 5412,2986.36.311,0916.86.5+1,207
55 to 5911,8306.15.67,8424.85.0+3,988
60 to 6411,2035.85.16,0043.74.0+5,199
65 to 699,7935.04.34,8993.03.3+4,894
70 to 748,3774.33.84,0062.53.1+4,371
75 to 795,7623.02.83,1041.92.6+2,658
80 to 843,8852.02.01,5851.01.6+2,300
85 and over3,6731.92.01,1180.71.4+2,555
Total population194,174100.0100.0162,933100.0100.0+31,241
Source: Australian Bureau of Statistics, Census of Population and Housing 2001 and 2021. Compiled and presented by .id (informed decisions).
Please refer to specific data notes for more information

Dominant groups

Analysis of the five year age groups of the City of Brimbank in 2021 compared to Greater Melbourne shows that there was a lower proportion of people in the younger age groups (under 15) and a higher proportion of people in the older age groups (65+).

Overall, 17.4% of the population was aged between 0 and 15, and 16.2% were aged 65 years and over, compared with 18.2% and 14.9% respectively for Greater Melbourne.

The major differences between the age structure of the City of Brimbank and Greater Melbourne were:

  • A larger percentage of persons aged 65 to 69 (5.0% compared to 4.3%)
  • A larger percentage of persons aged 60 to 64 (5.8% compared to 5.1%)
  • A smaller percentage of persons aged 35 to 39 (7.2% compared to 8.1%)
  • A smaller percentage of persons aged 30 to 34 (7.6% compared to 8.3%)

Emerging groups

From 2001 to 2021, City of Brimbank's population increased by 31,241 people (19.2%). This represents an average annual population change of 0.88% per year over the period.

The largest changes in age structure in this area between 2001 and 2021 were in the age groups:

  • 60 to 64 (+5,199 persons)
  • 65 to 69 (+4,894 persons)
  • 70 to 74 (+4,371 persons)
  • 55 to 59 (+3,988 persons)

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